Core Insights - The article discusses the historical significance and transformation of the 120 Factory, part of the military industrial complex established during China's "Third Front" construction from 1964 to 1980, aimed at enhancing national self-sufficiency and comprehensive strength [1] Group 1: Historical Context - The "Third Front" construction involved large-scale defense, technology, and industrial development in 13 provinces in central and western China, focusing on military preparedness and self-sufficiency [1] - The 120 Factory, part of the 081 base, was a significant military electronics enterprise that contributed to the development of China's first low-altitude fire control radar [1] Group 2: Current Status - The 120 Factory is divided into eastern and western zones, with the eastern area being densely built and busy, while the western area features orderly brick houses and a more solemn atmosphere [3] - Some parts of the 120 Factory have been transformed into a "Third Front Memory" exhibition hall, showcasing the historical significance of the site, while new businesses like restaurants and cafes have emerged, revitalizing the area [5] Group 3: Cultural and Emotional Significance - The remnants of the 120 Factory evoke nostalgia for the past, as the once vibrant site has become quieter over time, reflecting the passage of an era [7] - Each factory from the "Third Front" era carries deep emotional and historical memories, highlighting the personal connections and stories associated with these industrial sites [7]